/*
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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/*
 *
 *
 *
 *
 *
 * Copyright (c) 2000 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.
 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

package org.w3c.dom.stylesheets;

/**
 * The <code>StyleSheetList</code> interface provides the abstraction of an ordered collection of
 * style sheets. <p> The items in the <code>StyleSheetList</code> are accessible via an integral
 * index, starting from 0. <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document
 * Object Model (DOM) Level 2 Style Specification</a>.
 *
 * @since DOM Level 2
 */
public interface StyleSheetList {

  /**
   * The number of <code>StyleSheets</code> in the list. The range of valid
   * child stylesheet indices is <code>0</code> to <code>length-1</code>
   * inclusive.
   */
  public int getLength();

  /**
   * Used to retrieve a style sheet by ordinal index. If index is greater
   * than or equal to the number of style sheets in the list, this returns
   * <code>null</code>.
   *
   * @param index Index into the collection
   * @return The style sheet at the <code>index</code> position in the <code>StyleSheetList</code>,
   * or <code>null</code> if that is not a valid index.
   */
  public StyleSheet item(int index);

}
